Which manoeuvre necessitated the use of a beitiáss by Viking sailors?

💡 Explanation

A beitiáss allowed Vikings to sail closer to the wind because it acted as a sprit to tension the sail's luff, therefore improving upwind performance, rather than solely reefing or steering.

• Which mechanism primarily limited the effective rate of fire for early Ming Dynasty hand cannons using black powder?
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• Which environmental risk increased in Post-Classic Mesoamerica due to intensive chinampa cultivation within limited lake systems?
• Which structural weakness can result when curing green timbers within a stacked sailing vessel hull?
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• Which refinement applied to lenses improved image quality within medieval Islamic astrolabes?